Bradley Cooper Shoots Hangover III on the Streets of LA

Getting down to work on the third installment of his massively successful film franchise, Bradley Cooper showed up on the set of "The Hangover Part III" in Los Angeles yesterday (September 12).

Joined by costars Gillian Vigman, Jamie Chung, and Ed Helms, the "Limitless" star looked to be enjoying himself as he shot scenes outside a restaurant on Melrose Avenue.

While “The Hangover Part III” is adding a few new faces, they’re also bringing back Heather Graham, who played the stripper Jade in the first flick.

Of her experience returning to the gig, Graham told press, "The producers have been very weird. I don't think they want me to tell anyone anything. First, they just gave me my scenes. It's like the CIA. It's not like we're going to send the script to millions of people. Why would we? It took them like a few weeks to send me the script and it's got my name on every page. It's as if it's a top secret mission to save the world."

Enjoy the pictures of the cast of "Hangover 3" shooting in LA (September 13)